allow registrarion of nodes with underscore on their names
make recipes from all orientations
make mapgen use smallblocks fullnode ?
odd shapes drops equivalent amount of smallblocks instead of itself
smallblocks interactions with tools
remove smallblocks with shift+punch
prediction for when not clicking on outer face( slab on top of slab )
optimize nodebox mesh
give mods options to create meshes instead of nodeboxes
disable regular placing
disable engine place prediction
